pragma solidity ^0.6.0;

library SafeMath {

  function mul(uint256 a, uint256 b) internal pure returns (uint256 c) {
    if (a == 0) { return 0; }
    c = a * b;
    assert(c / a == b);
    return c;
  }

  function div(uint256 a, uint256 b) internal pure returns (uint256) {
    return a / b;
  }

  function sub(uint256 a, uint256 b) internal pure returns (uint256) {
    assert(b <= a);
    return a - b;
  }

  function add(uint256 a, uint256 b) internal pure returns (uint256 c) {
    c = a + b;
    assert(c >= a);
    return c;
  }

}

contract Ownable {
  address public admin;
  mapping(address => bool) public owners;

  constructor() public {
    admin = msg.sender;
  }

  modifier onlyOwner() {
    require(owners[msg.sender] || admin == msg.sender);
    _;
  }

  function addOwner(address newOwner) onlyOwner public returns(bool success) {
    if (!owners[newOwner]) {
      owners[newOwner] = true;
      success = true; 
    }
  }
  
  function removeOwner(address oldOwner) onlyOwner public returns(bool success) {
    if (owners[oldOwner]) {
      owners[oldOwner] = false;
      success = true;
    }
  }

}

contract Pausable is Ownable {
  event Pause();
  event Unpause();

  bool public paused = false;

  modifier whenNotPaused() {
    require(!paused || msg.sender == admin || owners[msg.sender]);
    _;
  }

  modifier whenPaused() {
    require(paused);
    _;
  }

  function pause() onlyOwner whenNotPaused external {
    paused = true;
    emit Pause();
  }

  function unpause() onlyOwner whenPaused external {
    paused = false;
    emit Unpause();
  }

}

abstract contract ERC20 {
  function totalSupply() virtual public view returns (uint256);
  function balanceOf(address who) virtual public view returns (uint256);
  function transfer(address to, uint256 value) virtual public returns (bool);
  function allowance(address owner, address spender) virtual public view returns (uint256);
  function transferFrom(address from, address to, uint256 value) virtual public returns (bool);
  function approve(address spender, uint256 value) virtual public returns (bool);
  event Approval(address indexed owner, address indexed spender, uint256 value);
  event Transfer(address indexed from, address indexed to, uint256 value);
}

contract TokenBase is ERC20, Pausable {
  using SafeMath for uint256;

  mapping (address => uint256) balances;
  mapping (address => mapping (address => uint256)) internal allowed;

  uint256 totalSupply_;

  modifier isValidDestination(address _to) {
    require(_to != address(0x0));
    require(_to != address(this));
    _;
  }

  function totalSupply() override public view returns (uint256) {
    return totalSupply_;
  }

  function balanceOf(address _owner) override public view returns (uint256) {
    return balances[_owner];
  }

  function allowance(address _owner, address _spender) override public view returns (uint256) {
    return allowed[_owner][_spender];
  }

  function transfer(address _to, uint256 _value) override public whenNotPaused isValidDestination(_to) returns (bool) {
    require(_to != address(0));
    require(_value <= balances[msg.sender]);

    balances[msg.sender] = balances[msg.sender].sub(_value);
    balances[_to] = balances[_to].add(_value);
    emit Transfer(msg.sender, _to, _value);
    return true;
  }

  function transferFrom(address _from, address _to, uint256 _value) override public whenNotPaused isValidDestination(_to) returns (bool) {
    require(_to != address(0));
    require(_value <= balances[_from]);
    require(_value <= allowed[_from][msg.sender]);

    balances[_from] = balances[_from].sub(_value);
    balances[_to] = balances[_to].add(_value);
    allowed[_from][msg.sender] = allowed[_from][msg.sender].sub(_value);
    emit Transfer(_from, _to, _value);
    return true;
  }

  function approve(address _spender, uint256 _value) override public whenNotPaused returns (bool) {
    allowed[msg.sender][_spender] = _value;
    emit Approval(msg.sender, _spender, _value);
    return true;
  }

  function increaseApproval(address _spender, uint256 _addedValue) public whenNotPaused returns (bool) {
    allowed[msg.sender][_spender] = (allowed[msg.sender][_spender].add(_addedValue));
    emit Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
    return true;
  }

  function decreaseApproval(address _spender, uint256 _subtractedValue) public whenNotPaused returns (bool) {
    uint256 oldValue = allowed[msg.sender][_spender];
    if (_subtractedValue > oldValue) {
      allowed[msg.sender][_spender] = 0;
    } else {
      allowed[msg.sender][_spender] = oldValue.sub(_subtractedValue);
    }
    emit Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
    return true;
  }

}

contract MintableToken is TokenBase {
  event Mint(address indexed to, uint256 amount);
  event MintFinished();

  bool public mintingFinished = false;

  modifier canMint() {
    require(!mintingFinished);
    _;
  }

  function mint(address _to, uint256 _amount) onlyOwner canMint public returns (bool) {
    totalSupply_ = totalSupply_.add(_amount);
    balances[_to] = balances[_to].add(_amount);
    emit Mint(_to, _amount);
    emit Transfer(address(0), _to, _amount);
    return true;
  }

  function finishMinting() onlyOwner canMint external returns (bool) {
    mintingFinished = true;
    emit MintFinished();
    return true;
  }

}

contract BurnableToken is MintableToken {
  event Burn(address indexed burner, uint256 value);

  function burn(uint256 _value) external {
    require(_value <= balances[msg.sender]);

    balances[msg.sender] = balances[msg.sender].sub(_value);
    totalSupply_ = totalSupply_.sub(_value);
    emit Burn(msg.sender, _value);
    emit Transfer(msg.sender, address(0), _value);
  }

}

contract CORToken is BurnableToken {
  string public constant name = "COR Token";
  string public constant symbol = "COR";
  uint8 public constant decimals = 18;

  function takeOut(ERC20 _token, uint256 _amount) external onlyOwner {
    _token.transfer(msg.sender, _amount);
  }
  
  function takeOutETH(uint256 _amount) external {
    (bool success, ) = msg.sender.call.value(_amount)("");
    require(success, "Transfer failed.");
  }
 
}

{
  "compilationTarget": {
    "CORToken.sol": "CORToken"
  },
  "evmVersion": "istanbul",
  "libraries": {},
  "metadata": {
    "bytecodeHash": "ipfs"
  },
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "remappings": []
}